| 標題：The Electro-Deposition/dissolution of CuSO4 aqueous electrolyte investigated by in situ soft x-ray absorption spectroscopy |
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| 學年 | 106 |
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| 學期 | 1 |
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| 出版（發表）日期 | 2017/10/01 |
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| 作品名稱 | The Electro-Deposition/dissolution of CuSO4 aqueous electrolyte investigated by in situ soft x-ray absorption spectroscopy |
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| 作品名稱（其他語言） | |
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| 著者 | Juan-Jesús Velasco-Vélez; Katarzyna Skorupska; Elias Frei; Yu-Cheng Huang; Chung-Li Dong§; Bing-Jian Su; Cheng-Jhih Hsu§; Hung-Yu Chou; Jin-Ming Chen; Peter Strasser; Robert Schlog; Axel Knop-Gericke; Cheng-Hao Chuang |
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| 出版者 | |
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| 著錄名稱、卷期、頁數 | J. Phys. Chem. B 122(2), p.780-787 |
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| 摘要 | The electrodeposition nature of copper on a gold electrode in a 4.8 pH CuSO4 solution was inquired using X-ray absorption spectroscopy, electrochemical quartz crystal microbalance, and thermal desorption spectroscopy techniques. Our results point out that the electrodeposition of copper prompts the formation of stable oxi-hydroxide species with a formal oxidation state Cu+ without the evidence of metallic copper formation (Cu0). Moreover, the subsequent anodic polarization of Cu2Oaq yields the formation of CuO, in the formal oxidation state Cu2+, which is dissolved at higher anodic potential. It was found that the dissolution process needs less charge than that required for the electrodeposition indicating a nonreversible process most likely due to concomitant water splitting and formation of protons during the electrodeposition. |
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| 關鍵字 | |
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| 語言 | 英文(美國) |
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| ISSN | |
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| 期刊性質 | 國外 |
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| 收錄於 | SCI; |
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| 產學合作 | |
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| 通訊作者 | |
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| 審稿制度 | 否 |
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| 國別 | 美國 |
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| 公開徵稿 | |
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| 出版型式 | ,電子版 |
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| 相關連結 | |
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